KR20060043943A - Remote monitoring and control system of machine tool - Google Patents

Abstract

The present invention relates to a system for remotely monitoring and controlling a machine tool. The present invention provides a system for remotely monitoring and controlling machine tools connected to a controller of machine tools by the Internet, comprising: an apparatus for receiving data for monitoring screen from the controller; An apparatus for displaying a surveillance screen on a screen based on the surveillance screen data; And a controller for controlling the machine tools by transmitting a keyboard signal to the controller.

By using the present invention as described above, it becomes possible to remotely monitor and remotely control the machine tool in various ways.

Machine tools, remote monitoring, remote control, chat, machining simulation

Description

Remote Monitoring and Control System of Machine Tool

1 is an overall configuration diagram of the present invention.

2 is an overall screen configuration of the present invention.

Figure 3 is a control and monitoring screen configuration of a remote machine of the present invention.

Figure 4 is a real time event / alarm message reception screen of the present invention.

Figure 5 is a parameter view / change screen of the present invention.

6 is a product information inquiry and setting screen of the remote machine of the present invention.

7 is a machining simulation execution screen of the present invention.

8 is a chat screen of the present invention.

9 is a remote controller screen to be the control target of the present invention.

The present invention relates to a system for remotely monitoring and controlling a machine tool.

The environment in which a machine tool operates is often very poor, but in order to monitor and control the machine tool, the operator often needs to be at the site where the machine tool is operating.

However, as the society is advanced, there is a tendency to avoid a place with a poor working environment, which requires a lot of labor costs to place skilled workers on site.

In addition, since the machine tool is automatically controlled by the controller once set, the skilled worker does not usually need to be in the field at all times, but the skilled worker should be placed in the field without knowing when an accident will occur.

In order to solve the problem that the skilled worker should be placed on the site in a harsh environment, a system for remotely monitoring a work situation through a camera or the like exists in the related art, but the remote monitoring system also monitors remotely. In addition, when there is a problem in a remotely monitored machine tool, the remote monitor is only able to solve the problem by communicating the problem situation to an operator or an after-sales service staff.

The present invention, in view of the above problems of the prior art, provides a monitoring and control system for a machine tool capable of remote control as well as remote monitoring.

The overall configuration and operation of the present invention will be described with reference to FIG.

The controllers (4-1, 4-2, 4-3 ....) of remote machine tools (1-1, 1-2, 1-3 ....) are connected to the Internet for communication and file transfer. Since the executable file is built in, the executable file can be connected to the remote monitoring and control server 2 via the Internet to transmit data. In addition, the technical support personnel's PC (3) is connected to the controller (4-1, 4-2, 4-3 ... .)

Now, the remote diagnosis and remote control function of the present invention will be described.

The remote server 2 or PC 3 connects to the controller 4 of the machine tool 1 via the Internet, receives relevant data, and uses the screen monitoring function to transfer the tool path and machine of the tool of the machine tool 1. You can check the machining status such as the position transfer, the setting state of the workpiece coordinate system, and the machining conditions such as machining speed and RPM. In addition, this function monitors the I / O status of various I / Os and the system status information to check the machine operation status and operation.

In addition, the remote control function transmits and controls a keyboard signal to the remote controller 4, and executes system training by inputting a password, changing a parameter value, and converting a screen (using a function key). At this time, the system training is to communicate with the controller 4 of the machine tool to communicate and explain the necessary functions, and to change the screen of the controller 4 step by step at a remote location to remotely control the function of the controller 4 Make education possible.

In addition, when a function required for the controller 4 is upgraded, the above executable file can be upgraded directly from a remote place. In addition, the controller 4 may send an alarm history and generation time to the technical support personnel through the SMS text service to the mobile phone of the registered A / S personnel when a problem of the machine tool system occurs.

Now, the screen configuration of the server 2 or the PC 3 of the technical support staff will be described with reference to FIG.

The user of the present invention connects to a database of a server and transmits / receives a file of a remote machine, receives a screen of a remote machine, checks and changes parameters of the controller 4 mounted on the remote machine tool 1, and controls the remote machine. And communicate via chat.

Now, various menus of the present invention will be described in detail.

(1) File Transfer Menu

As shown in Fig. 2, files on the client's computer (server 2 or PC 3) are shown on the left side, and folders and files of the remote machine tool 1 on the right side. The middle [file send] button means the file transmission to the remote machine tool 1, and the [file receive] button means to copy the remote file to the current folder of the client computer. The arrow button below means updating the file list of the remote machine tool 1 and the client computer.

(Start connection): Remote connection is possible through TCP / IP internet network and intranet, and remote machine tool (1) can be operated and multiple users and administrators can connect and monitor. After connecting the PC (3) of the technical support personnel with the web server, select the controller (4) to be monitored remotely from among the multiple controllers (4) connected to the web server on the Internet.

(2) Function menu

(File Send / Receive): You can see the related files of the connected controller 4, and you can send and receive files by searching for the desired file such as the parameters of the controller 4, the ladder, the alarm log file, and the like.

(Conversation function): It is possible to talk with the operator of the connected controller 4 by opening the chat window. Conversations can be used for work instruction or training in operations. A chat function is provided through a chat window for communication between the user of the connected controller 4 system and the user of the server 2 or the PC 3. As shown in FIG. 8, in the present invention, the chat window is created as a pop-up window. Enter the contents to send in the window below and press the Send button.

(Remote Monitoring / Control Start): The screen of the connected controller 4 can be viewed through the window. Press the screen transfer button on the right side of FIG. The screen transmission function enables remote monitoring and remote control. You can change the screen to the place you want by using mouse and function keys (F1 ~ F10) and monitor the alarm status of remote equipment. In addition, in case of a failure, the contact status of the diagnostic screen can be monitored for analyzing the cause of the failure. It is also possible to access the inside of the controller 4 by entering a password through the cursor keys and numeric keys.

(File / Event Log): All events and alarms of the connected controller 4 are transmitted and registered in real time. The date, time, and message that occurred. By looking at the alarm log file of the controller 4, the frequency and history of alarm occurrence can be checked.

(View / Change Parameter): As shown in FIG. 5, all parameter values of the remote controller 4 can be received and viewed, and modifications can be made if the parameter needs to be changed. Five parameters can be viewed at the same time, and modifications can be made one by one. It is also possible to monitor for changes in selected parameters periodically.

(Customer information setting): As shown in FIG. 6, when the [Import machine information] button is pressed in the [Customer information setting] tab, information such as the product model name, product serial number, and product purchase date of the currently connected machine can be retrieved. Can be. This information is stored in the controller 4 as a file, but since it is encrypted and stored, the user cannot arbitrarily set it. When connecting remotely, the 1: 1 connection does not verify the administrator's status, but only technical support personnel can change the information via the server.

(Processing simulation): As shown in the middle of the right side of FIG. 7, by pressing the [Start Status Transmission] button, it is possible to monitor the path of the tool currently being processed by the remote controller 4. In addition, through the machining simulation for the NC program imported from the controller (4) it is possible to check the program errors and machining defects in advance. The error of the program analyzed in this way can be corrected by the technical support personnel and transmitted to the controller 4 again.

Now, the case of remote monitoring using the menu will be described in detail.

When the remote monitoring start button is pressed, the supervisor or technical assistant via the server (2) or PC (3) can use the screen monitoring function of the machine tool equipment online to set the tool feed path, change the machine position and set the workpiece coordinate system. The processing status such as the state and processing conditions such as processing speed and RPM can be examined. That is, by receiving the screen of the controller 4 system from a remote location, it is possible to monitor the processing status and the operating status of the equipment.

In addition, the present invention supports a remote control function for explanation of the operation of the controller 4 system and guidance of problem response. The remote control function communicates with the controller (4) system, the description of the communication and necessary functions, and the description of the functions of the controller (4) system while changing the screen of the controller (4) system online. Distance education is possible. The remote control function allows you to:

-Control of screen and contact by sending keyboard signal to remote controller (4) system

-Password input of controller (4) system and change of arbitrary parameter value

-Remote monitoring function by changing to system management screen and diagnostic screen

-System operation training through function key

Next, using the received file, you can run the following programs necessary for troubleshooting.

(1) Controller (4) Simulator execution (Fig. 7)

In order to determine the cause of the failure by using parameters and PLC programs received from the remote controller 4 system, the controller 4 of the technical supporter performs various functions (possibly using various simulators). In the controller (4) simulator, it is possible to analyze the cause of the failure through various operation operations.

(2) View alarm and event files (Figure 4)

Using the alarm log file or event information received from the remote controller 4 system, the alarm occurrence history and occurrence frequency of the controller 4 can be checked, and the event information can be coped with while monitoring the event information.

Finally, the mobile phone text message transmission function will be described with reference to FIG.

The controller 4 inputs the receiver's mobile phone number and user ID in the mobile phone SMS transmission setting window. Whenever an error occurs in the remote controller 4, an error message is transmitted to the registered mobile phone number in real time.

Although the preferred embodiments of the present invention have been described above, the present invention is not limited to the above embodiments, but various modifications, changes, substitutions or additions can be made without departing from the scope of the present invention. If you can easily understand.

By using the present invention as described above, it becomes possible to remotely monitor and remotely control the machine tool in various ways.

Claims (11)

In a system for remotely monitoring and controlling machine tools connected to the controller of machine tools by the Internet, An apparatus for receiving surveillance screen data from the controller; An apparatus for displaying a surveillance screen on a screen based on the surveillance screen data; And a device for controlling the machine tools by transmitting a keyboard signal to the controller. The remote monitoring and control system of a machine tool as claimed in claim 1, wherein the monitoring screen includes a controller information window displaying information on a connected controller. The remote monitoring and control system of claim 1, wherein the monitoring screen includes a screen transmission window displaying an operation screen of a connected machine tool. The remote monitoring and control system for machine tools as claimed in claim 1, wherein the monitoring screen includes a chat window displaying a chat screen with a user of a connected controller. The remote monitoring and control system for machine tools as claimed in claim 1, wherein the control is performed by changing a set value of a parameter. The system of claim 1, wherein the control controls a screen change of the controller. The remote monitoring and control system of a machine tool according to claim 1, wherein the monitoring screen displays a feed path of a tool of the machine tool. The remote monitoring and control system of a machine tool according to claim 1, wherein the monitoring screen displays a setting position of a machine coordinate system and a movement of a machine position. 2. The remote monitoring and control system of a machine tool according to claim 1, comprising an apparatus for displaying an event log on a screen. The remote monitoring and control system of a machine tool according to claim 1, further comprising an apparatus for displaying an alarm log on a screen. In the method of remotely monitoring and controlling the machine tools connected to the controller of the machine tools by the Internet, Receiving surveillance surface data from the controller; Displaying a surveillance screen on a screen based on the surveillance screen data; Transmitting a keyboard signal to the controller to control the machine tools;

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